export function timestampToTime (timestamp) {
  var date = new Date(Number(timestamp));//时间戳为10位需*1000，时间戳为13位的话不需乘1000
  var Y = date.getFullYear() + '-';
  var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
  var D = (date.getDate() < 10 ? '0' + (date.getDate()) : (date.getDate())) + ' ';
  var h = date.getHours() + ':';
  var m = date.getMinutes() + ':';
  var s = date.getSeconds() < 10 ? '0' + (date.getSeconds()) : (date.getSeconds());
  return Y + M + D + h + m + s;
}